Triglycerides - Definition

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Triglycerides are molecules belonging to the lipid family. They are synthesized by the body from fatty substances absorbed by the intestines, and from glucose by the liver. They represent a reserve energy source for the body to use if in need, and are mainly stored in fatty tissue. These molecules circulate in the blood with no problem, but can cause cardiovascular disease if they accumulate in too large quantities, due to the possible resulting deposits on artery walls.